package file;

import java.io.File;
import java.io.FileFilter;

public class ListFileDemo2 {
    public static void main(String[] args) {
        File dir= new File(".");
        if(dir.isDirectory()){
            FileFilter filter=new FileFilter() {
                @Override
                public boolean accept(File file) {
                    String name=file.getName();
                    return name.endsWith(".txt");
                }
            };
            File[] subs=dir.listFiles(filter);
            for(File sub :subs){
                System.out.println(sub.getName());
            }
        }
    }
}
